Home / 11,455.39-17,179.44-3,662.38

Finding the Fourth Proportional to 11,455.39, 17,179.44 and 3,662.38

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Solution

The fourth proportional to 11,455.39, 17,179.44 and 3,662.38 is: 5,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.39 : 17,179.44 = 3,662.38 : x
  2. Step 2: Convert to fraction form
    11,455.39/17,179.44 = 3,662.38/x
  3. Step 3: Cross multiply
    11,455.39x = 17,179.44 × 3,662.38
  4. Step 4: Simplify right side
    11,455.39x = 62,917,637.47
  5. Step 5: Solve for x
    x = 62,917,637.47/11,455.39
  6. Step 6: Final answer
    x = 5,492.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.